Engine Mechanical Topics Discussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.

Looking for SE Push Rods Jam nut.

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Old Apr 2, 2019 | 07:20 AM
  #21  
2009blackpearle's Avatar
2009blackpearle
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Joined: Dec 2008
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From: Niagara Falls Canada
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the hex on the nut is 5/16 , but the threads on my se rods are 3/8-24 while a 5/16 fine bolt may have 24 threads per in the diameter is wrong. so I took a hardened 5/16 nut had access to a lathe at work drilled out to tap size for 3/8-24 and ran the tap threw it. new nuts same size as the original crappy ones. not sure if using a real 3/8-24 nut would clear the tubes, or the extra weight of the bigger nut would cause momentum problems or not , the originals are so frigging light im guessing they are magnesium
drill for 3/8-24 is a Q .332 closet regular drill to that is 21/64 at .3281 almost .004 smaller than required the trick is getting the hole true and square tapping the threads
 
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Old Apr 3, 2019 | 05:48 PM
  #22  
94 ultra's Avatar
94 ultra
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Joined: Jun 2008
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Yes I hand drilled and tapped (for 3/8)a few 5/16 nuts and it is not easy at all
I cant believe we cant just order them\
But
I believe the regular 3/8 -24 nuts would clear the Tubes
but I havent tried it

I may sell the set of SE Push rods I have and just buy S and S quickies from now on
 
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